Playstation Controler for Nintendo Wii

I don't know how to read japanese but have you noticed the picture? Yeah that's right, it's a Wii adaptor for PS1 and PS2 controllers. You better love those japanese with their work!

Gametech has released a adaptor that supports PS/ PS2 dualshock / dualshock2 controller. Once you connect it with your wiimote. You can play games via the PS controllers

From now on, the peripheral is available in the market and the cost would be 1785 yen

Source: nes-hacks